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Vulnerability record · CVE-2024-23722 · published 26 March 2024

CVE-2024-23722: Treasuredata fluent bit null pointer dereference vulnerability

Treasuredata · Fluent Bit

In Fluent Bit 2.1.8 through 2.2.1, a NULL pointer dereference can be caused via an invalid HTTP payload with the content type of x-www-form-urlencoded. It crashes and does not restart. This could result in logs not being delivered properly.

7.5 CVSS 3.1 High EPSS 0.94% · top 40.5% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score
0.94%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In Fluent Bit 2.1.8 through 2.2.1, a NULL pointer dereference can be caused via an invalid HTTP payload with the content type of x-www-form-urlencoded. It crashes and does not restart. This could result in logs not being delivered properly.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/fluent/fluent-bit/compare/v2.2.1...v2.2.2 Patch
https://medium.com/%40adurands82/fluent-bit-dos-vulnerability-cve-2024-23722-4e3e74af9d00 ExploitThird Party Advisory
https://github.com/fluent/fluent-bit/compare/v2.2.1...v2.2.2 Patch
https://medium.com/%40adurands82/fluent-bit-dos-vulnerability-cve-2024-23722-4e3e74af9d00 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-23722), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.